HEATING, AIR CONDITIONING & REFRIGERATION MECHANIC CERTIFICATE

Presentations and course work cover Safety Training. Students will learn to identify and practice key safety factors in the HVAC workplace/worksite including 1) describing and Houston School of Carpentry School Catalog Volume #5 Programs of Study – Heating, Air Conditioning & Refrigeration Mechanic Certificate demonstrating proper general and personal worksite safety that includes proper use of Personal Protective Equipment (PPE), basic safety principles to ensure for maximum back and fall protection, and personal safety working in confined spaces, and maneuvering on ladders, scaffolds and lifts 2) learn about the importance of information on Hazard Communication Labels, and Material Safety Data Sheets, 3) describe Electrical lockout/tagout, proper use and operation of Fire Extinguishers and compressed gas safety,

(Lab 10 Cl hrs/ Lec 10 Cl hrs/ Ext 00 Cl hrs) [ Prerequisites: HVAC 101 Fundamentals]

The course provides an introduction to basic electrical theory and covers basic and parallel circuits, circuit characteristics, schematics, symbols and measurements. The course also introduces the student to common single-phase and small three-phase electric motors. Presentations will include starting components and protection devices and motor troubleshooting. The course will cover Open and Hermetic Motors, Capacitor Motors and Diagnosing and Replacing Electric Motors.

(Lab 10 Cl hrs/ Lec 10 Cl hrs/ Ext 00 Cl hrs) [Prerequisites: HVAC 102]

This subject provides an introduction to HVAC comfort systems. Students will learn about the principles of human comfort, air properties, introduction to psychrometrics, and airflow measurement methods and calculations. Course presentations and work will also cover Heat Energy and Comfort, Psychrometrics, Total Heat in Air, Measuring a Heavy Invisible Moving Volume, and Air Flow Measurement.

(Lab 10 Cl hrs/ Lec 10 Cl hrs/ Ext 00 Cl hrs) [Prerequisites: HVAC 103]

Course will serve as an introduction to the mechanical compression refrigeration cycle and the components necessary for operation. Students will be introduced to common components and the terms and definitions of the cycle. Topics covered include basic refrigeration cycle physics, compression and compressors, condensation and condensers, expansion and metering devices, evaporation and evaporators, and measuring the normal cycle

(Lab 15 Cl hrs/ Lec 10 Cl hrs/ Ext 00 Cl hrs) [ Prerequisites: HVAC 104]

The course covers combustion basics for natural gas and propane fuels as found in residential and light commercial applications. Students will identify and learn about the common types of gas heating equipment and fuel gas composition, pressure regulators, burners, heat exchangers, standing pilot systems, electronic ignition, high efficiency furnaces, and troubleshooting gas burner systems.

(Lab 10 Cl hrs/ Lec 10 Cl hrs/ Ext 00 Cl hrs) [Prerequisites: HVAC 105]

Students will learn about the installation and servicing process of components for different types of air conditioning and refrigeration systems. The course covers blueprints and diagrams, fuel and water supply lines, air ducts and vents, pumps, electrical wiring and controls, conducting service checks and trouble shooting. Students will engage in lab working on different systems applying the skills and knowledge acquired.

(Lab 30 Cl hrs/ Lec 10 Cl hrs/ Ext 00 Cl hrs) [Prerequisites: HVAC 106]

This course covers the control of pressure and temperature; energy sources for control systems; operation principles of automatic control systems; the types of control action and control circuits; starters, contractors and relays; and fundamental controls for valves and dampers

(Lab 10 Cl hrs/ Lec 10 Cl hrs/ Ext 00 Cl hrs) [Prerequisites: HVAC 107]

Students will learn to demonstrate job search and retention techniques and identify job search strategies to prepare for employment.

(Lab 0 Cl hrs/ Lec 5 Cl hrs/ Ext 00 Cl hrs) [Prerequisites: HVAC 108]